beancontextservices.html

API資料大全

<A NAME="hasService(java.lang.Class)"><!-- --></A><H3>
hasService</H3>
<PRE>
public boolean <B>hasService</B>(<A HREF="../../../java/lang/Class.html">Class</A>&nbsp;serviceClass)</PRE>
<DL>
<DD>Reports whether or not a given service is 
 currently available from this context.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>serviceClass</CODE> - the service in question<DT><B>Returns:</B><DD>true if the service is available</DL>
</DD>
</DL>
<HR>

<A NAME="getService(java.beans.beancontext.BeanContextChild, java.lang.Object, java.lang.Class, java.lang.Object, java.beans.beancontext.BeanContextServiceRevokedListener)"><!-- --></A><H3>
getService</H3>
<PRE>
public <A HREF="../../../java/lang/Object.html">Object</A> <B>getService</B>(<A HREF="../../../java/beans/beancontext/BeanContextChild.html">BeanContextChild</A>&nbsp;child,
                         <A HREF="../../../java/lang/Object.html">Object</A>&nbsp;requestor,
                         <A HREF="../../../java/lang/Class.html">Class</A>&nbsp;serviceClass,
                         <A HREF="../../../java/lang/Object.html">Object</A>&nbsp;serviceSelector,
                         <A HREF="../../../java/beans/beancontext/BeanContextServiceRevokedListener.html">BeanContextServiceRevokedListener</A>&nbsp;bcsrl)
                  throws <A HREF="../../../java/util/TooManyListenersException.html">TooManyListenersException</A></PRE>
<DL>
<DD>A <code>BeanContextChild</code>, or any arbitrary object 
 associated with a <code>BeanContextChild</code>, may obtain 
 a reference to a currently registered service from its 
 nesting <code>BeanContextServices</code> 
 via invocation of this method. When invoked, this method
 gets the service by calling the getService() method on the 
 underlying <code>BeanContextServiceProvider</code>.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>child</CODE> - the <code>BeanContextChild</code> 
 associated with this request<DD><CODE>requestor</CODE> - the object requesting the service<DD><CODE>serviceClass</CODE> - class of the requested service<DD><CODE>serviceSelector</CODE> - the service dependent parameter<DD><CODE>bcsrl</CODE> - the 
 <code>BeanContextServiceRevokedListener</code> to notify
 if the service should later become revoked<DT><B>Returns:</B><DD>a reference to this context's named 
 Service as requested or <code>null</code><DT><B>Throws:</B><DD><CODE><A HREF="../../../java/util/TooManyListenersException.html">TooManyListenersException</A></CODE> - &nbsp;</DL>
</DD>
</DL>
<HR>

<A NAME="releaseService(java.beans.beancontext.BeanContextChild, java.lang.Object, java.lang.Object)"><!-- --></A><H3>
releaseService</H3>
<PRE>
public void <B>releaseService</B>(<A HREF="../../../java/beans/beancontext/BeanContextChild.html">BeanContextChild</A>&nbsp;child,
                           <A HREF="../../../java/lang/Object.html">Object</A>&nbsp;requestor,
                           <A HREF="../../../java/lang/Object.html">Object</A>&nbsp;service)</PRE>
<DL>
<DD>Releases a <code>BeanContextChild</code>'s 
 (or any arbitrary object associated with a BeanContextChild) 
 reference to the specified service by calling releaseService() 
 on the underlying <code>BeanContextServiceProvider</code>.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>child</CODE> - the <code>BeanContextChild</code><DD><CODE>requestor</CODE> - the requestor<DD><CODE>service</CODE> - the service</DL>
</DD>
</DL>
<HR>

<A NAME="getCurrentServiceClasses()"><!-- --></A><H3>
getCurrentServiceClasses</H3>
<PRE>
public <A HREF="../../../java/util/Iterator.html">Iterator</A> <B>getCurrentServiceClasses</B>()</PRE>
<DL>
<DD>Gets the currently available services for this context.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>an <code>Iterator</code> consisting of the 
 currently available services</DL>
</DD>
</DL>
<HR>

<A NAME="getCurrentServiceSelectors(java.lang.Class)"><!-- --></A><H3>
getCurrentServiceSelectors</H3>
<PRE>
public <A HREF="../../../java/util/Iterator.html">Iterator</A> <B>getCurrentServiceSelectors</B>(<A HREF="../../../java/lang/Class.html">Class</A>&nbsp;serviceClass)</PRE>
<DL>
<DD>Gets the list of service dependent service parameters 
 (Service Selectors) for the specified service, by 
 calling getCurrentServiceSelectors() on the
 underlying BeanContextServiceProvider.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>serviceClass</CODE> - the specified service<DT><B>Returns:</B><DD>the currently available service selectors 
 for the named serviceClass</DL>
</DD>
</DL>
<HR>

<A NAME="addBeanContextServicesListener(java.beans.beancontext.BeanContextServicesListener)"><!-- --></A><H3>
addBeanContextServicesListener</H3>
<PRE>
public void <B>addBeanContextServicesListener</B>(<A HREF="../../../java/beans/beancontext/BeanContextServicesListener.html">BeanContextServicesListener</A>&nbsp;bcsl)</PRE>
<DL>
<DD>Adds a <code>BeanContextServicesListener</code> to this BeanContext<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bcsl</CODE> - the <code>BeanContextServicesListener</code> to add</DL>
</DD>
</DL>
<HR>

<A NAME="removeBeanContextServicesListener(java.beans.beancontext.BeanContextServicesListener)"><!-- --></A><H3>
removeBeanContextServicesListener</H3>
<PRE>
public void <B>removeBeanContextServicesListener</B>(<A HREF="../../../java/beans/beancontext/BeanContextServicesListener.html">BeanContextServicesListener</A>&nbsp;bcsl)</PRE>
<DL>
<DD>Removes a <code>BeanContextServicesListener</code> 
 from this <code>BeanContext</code><DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bcsl</CODE> - the <code>BeanContextServicesListener</code> 
 to remove from this context</DL>
</DD>
</DL>
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